Anson
Feb 28,2018
2985
What is Electronic test/probe test
Combine Automatic optical alignment system and the traditional flying needle machine together,with the help of image-processing software and flying-pin-only cameras, flying probe test is easier and mo...
Eric
Feb 28,2018
5693
Comparison of several PCB surface finish types
PCB surface finish is a coating between a component and a bare board PCB. It is applied for two basic reasons: to ensure solderability, and to protect exposed copper circuitry. As there are many types...
Eric
Feb 28,2018
6711
Flexible PCB vs Rigid PCB
Flexible PCB (also variously referred to around the globe as flex circuits, flexible printed circuit boards, flex print, flexi-circuits) are members of electronic and interconnecti...
Eric
Feb 28,2018
7585
What is Rigid-Flex PCB?
Rigid-Flex printed circuit boards are boards using a combination of flexible and rigid board technologies in an application. Most rigid flex boards consist of multiple layers of flexible cir...
Eric
Feb 28,2018
16015
Aluminum PCB vs FR-4 PCB
What is Aluminum PCB?Among all Metal core PCBs, Aluminum PCBs is the most common type - the base material consists of aluminum core with standard FR4. It features a thermal clad layer that dissipates ...
PCBWay
Feb 26,2018
13118
What are Plated Half-Holes（Castellated Holes）
Plated half holes（castellated holes）are holes that made off the edge of the boards plated withcopper using a specialized process. It is predominantly used for board-on-board connections, mostly where ...
Anson
Feb 26,2018
21130
What is the meaning of Glass Transition Temperature (Tg)
The Glass Transition Temperature (Tg) is one of the most important properties of any epoxy and is the temperature region where the polymer transitions from a hard, glassy material to a soft, rubbery m...
PCBWay
Jan 25,2018
40802
What is Solder Mask Bridge and Solder Mask Opening on a PCB
1.Solder Mask Bridge: The oil between two pins of component is solder mask bridge, generally refers to intensive IC pin (check the below picture). If the distance of pin is too small, it will be recom...
PCBWay
Dec 11,2017
8112
Refuse conductive adhesive technology in pcb manufacture
What is conductive adhesive?Conductive adhesive is adhesive that has conductive performance in solid or dried state. Its main components are matrix resin and conductive fillers, also means conductive ...
Eric
Dec 06,2017
5654
Why is there additional cost for panel PCBs?
The reason why the cost of panel pcb will increase is it lower substrate utilization.PCB substrate is a fixed&...
Eric
Dec 06,2017
10066
Blind vias and Buried Vias
Blind and buried vias are only available on boards with at least four layers. Unlike regular vias on a two layer board which connect the two surface layers, buried and blind vias connect the inner lay...
Eric
Dec 06,2017
10058
What should I do if my PCB does not require solder mask?
Unlike the copper layer, the solder mask layer is negative. This means a solid object in the layer corresponds to a hole, or opening in the solder mask layer (an area without solder mask covering). Th...
Eric
Dec 06,2017
4867
What is the correct way to draw silkscreen on the bottom layer?
The bottom silkscreen text should be reflected (mirrored). Most PCB design software will automatically reflect the text for you but please make sure this is the case in the Online Gerber Viewer or oth...
Eric
Dec 06,2017
7957
What's the Gerber?
The Gerber format is an open 2D binary vector image file format. It is the standard file used by printed circuit board (PCB) industry software to describe the printed circuit board imag...
PCBWay
Oct 31,2017
26776
The newest version of PCBWay Multi-layer laminated structure
The following is the old version, the new version has a brand new update, please pay attention hereLast updated: October 2020 PCBWay Multi-layer laminated structure>>Last updated: Old version 20...
Anson
Sep 04,2017
5987
How to generate Gerber files from DesignSpark V7.0.0?
1.Output- Manufacturing Plots2. Click Auto-Gen Plots. Design spark will add plots automatically.3.Click gerber4.Ok5.Click Options.6.Click Options.7.Use RS-274X configuration.8.Click NC Drill9.OK10. ti...
PCBWay
Jun 05,2017
28280
3 STEPS to determine / calculate number of PCB layers
STEP 1: Choose initial number of layers1 or 2 Layer PCBs – Home prototypingUse 1 or 2 Layer PCB only for very simple boards, breakouts or for some circuits which you are making at home. Don’t use 1 or...
Karen Lin
May 23,2014
5510
Current Sense Resistors Lower PCB Temperatures
The flameproof BR Series open-element, radial-leaded current sense resistors raise their elements off of the PCB, allowing maximum heat transfers to the ambient air. They promise to lower PCB temper...
Karen Lin
May 23,2014
4189
Partnership Creates PCB Power Integrity Tool
Altium and Nimbic are working together to introduce Nimbic’s power integrity tool into its printed-circuit board (PCB) design tool, Altium Designer, to create a new power integrity solution, Altium PI...
Karen Lin
May 23,2014
2885
Passive Components Aren’t Really So Passive (Part 3): PCBs
PCB flaws and errors that are usually hidden, or at least disguised, can introduce passive errors into IC performance. To understand how these errors occur, though, we must first examine the compositi...
| Ranking | Name | Answers |
|---|---|---|
| 1 | PCBWay Team | 6 |
